Who knew a post about fingernail health would draw so many clicks? This one got 27,300 clicks, making it one of our top posts in terms of click-through rate. Yet it only generated about 800 shares. Apparently Facebook users want to know about fingernail problems, but don't want their friends to know they want to know about fingernail problems.

If you’ve always been a good sleeper but suddenly can’t snooze through the night, it could signal a thyroid problem. http://bit.ly/1BXZYZZ